diff --git a/front/src/Phaser/Game/GameMap.ts b/front/src/Phaser/Game/GameMap.ts
index f68c414a..6caa9a44 100644
--- a/front/src/Phaser/Game/GameMap.ts
+++ b/front/src/Phaser/Game/GameMap.ts
@@ -135,7 +135,7 @@ export class GameMap {
     }
 
     private getTileProperty(index: number): Array<ITiledMapLayerProperty> {
-        return this.tileSetPropertyMap[index];
+        return this.tileSetPropertyMap[index] || [];
     }
 
     private trigger(propName: string, oldValue: string | number | boolean | undefined, newValue: string | number | boolean | undefined, allProps: Map<string, string | boolean | number>) {
@@ -198,7 +198,7 @@ export class GameMap {
                 this.putTileInFlatLayer(tileIndex, x, y, layer);
                 const phaserTile = phaserLayer.putTileAt(tileIndex, x, y);
                 for (const property of this.getTileProperty(tileIndex)) {
-                    if ( property.name === "collides" && property.value === "true") {
+                    if ( property.name === "collides" && property.value) {
                         phaserTile.setCollision(true);
                     }
                 }
diff --git a/front/src/Phaser/Game/GameScene.ts b/front/src/Phaser/Game/GameScene.ts
index 53072612..676547ae 100644
--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@@ -1085,7 +1085,7 @@ export class GameScene extends DirtyScene {
                 }, this.userInputManager);
             }
         }));
-        )
+        
         this.iframeSubscriptionList.push(iframeListener.setTilesStream.subscribe((eventTiles) => {
             for (const eventTile of eventTiles) {
                 this.gameMap.putTile(eventTile.tile, eventTile.x, eventTile.y, eventTile.layer);